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1.
程凤宏  张阳 《电镀与涂饰》2006,25(12):36-38
介绍了汽车涂料涂装过程中各种涂料对不同基材的适应性以及不同涂料与塑料基材不同表面处理方式之间的配套性。就底漆与面漆的配套性原则进行了说明:有相近的硬度和拉伸强度(或者面漆的硬度小于底漆),底面漆用溶剂的极性相近,底、面漆的干燥方式一致、附着力匹配。指出了不同涂料与其涂装方式之间、不同使用条件下底漆与面漆以及涂料与助剂之间的配套性的意义。  相似文献   

2.
涂装工艺     
<正>201502068钢结构防腐涂层及其涂装方法:JP2014-70 271[日本专利公开]/日本:Nakabotech Co.,Ltd.等(Hoshino,Masahiko等).-2014.04.21.-12页.-2012/220 140(2012.10.02);IPC C23F/00题述防腐涂装方法包括在钢结构表面涂覆防腐涂层,然后再在防腐涂层上涂覆保护层。其中,防腐涂层由内涂层和面涂层构成,分别由含有不同吸水性聚合物的聚氨酯浆料制得,且内涂层中的吸水性聚合物含  相似文献   

3.
本书内容主要包括汽车涂料涂装工艺、涂装控制系统、汽车修补涂装工艺、涂装弊病分析处理、涂装设备管理、涂装安全与三废处理、汽车涂料最新工艺配方等。内容新颖先进,体现了当前专业前沿技术,同时注重实用性和可操作性,能给实际操作者带来较大的帮助。  相似文献   

4.
汽车涂料     
《涂料技术与文摘》2010,31(2):49-49
201002154汽车涂装用辐射及化学固化涂料组合物:W02009—39137[国际专利申请,英]/美国:E.I.DuPontDeNemoursandCompany(Gia.Huynh—Ba).-2009.03.26.-30页.-US2007/994329(2007.09.17):IPCC08G18/81  相似文献   

5.
方震 《上海涂料》2015,(4):40-42
简介了汽车涂料与涂装的发展现状及趋势。提出了汽车涂料必将向水性化、粉末化、无溶剂化和高固体分化的方向发展;涂装设备和工艺必将朝着自动化、智能化、环保化、安全化、高效化和节能、低耗、低碳、减排的方向发展。  相似文献   

6.
介绍了涂装质量检查的基本工作,涂装检查人员的基本工作要求和技术培训等。  相似文献   

7.
本文阐述了在我国“汽车工业产业政策”发布后,我国汽车行业对汽车涂料的需求以及对提高我国汽车涂装技术水平的几点看法.  相似文献   

8.
针对吉利远景汽车面漆色差问题,通过对生产现场的测值和制作面漆试板与标准板的对比进行分析,提出对面漆色差控制的一些建议。  相似文献   

9.
应用系统工程的理论和方法,分析了涂装、涂层、涂层体系概念的含义,引入了“涂装涂层系统”的概念,叙述了组成系统的“五阶段”、“五要素”、“三层次”的主要内容,初步建立了“涂装涂层系统”的模型,对于解决与涂装有关的复杂工程问题有重要的意义。  相似文献   

10.
李鹏 《现代涂料与涂装》2009,12(12):46-47,50
介绍了一则浅色闪光金属漆“虹鳟”现象的分析思路、解决过程及采取的对策。  相似文献   

11.
Smolting is an important development stage of salmonid, and an energy trade-off occurs between osmotic regulation and growth during smolting in rainbow trout (Oncorhynchus mykiss). Growth hormone releasing hormone, somatostatin, growth hormone and insulin-like growth factor (GHRH-SST-GH-IGF) axis exhibit pleiotropic effects in regulating growth and osmotic adaptation. Due to salmonid specific genome duplication, increased paralogs are identified in the ghrh-sst-gh-igf axis, however, their physiology in modulating osmoregulation has yet to be investigated. In this study, seven sst genes (sst1a, sst1b, sst2, sst3a, sst3b, sst5, sst6) were identified in trout. We further investigated the ghrh-sst-gh-igf axis of diploid and triploid trout in response to seawater challenge. Kidney sst (sst1b, sst2, sst5) and sstr (sstr1b1, sstr5a, sstr5b) expressions were changed (more than 2-fold increase (except for sstr5a with 1.99-fold increase) or less than 0.5-fold decrease) due to osmoregulation, suggesting a pleiotropic physiology of SSTs in modulating growth and smoltification. Triploid trout showed significantly down-regulated brain sstr1b1 and igfbp2a1 (p < 0.05), while diploid trout showed up-regulated brain igfbp1a1 (~2.61-fold, p = 0.057) and igfbp2a subtypes (~1.38-fold, p < 0.05), suggesting triploid trout exhibited a better acclimation to the seawater environment. The triploid trout showed up-regulated kidney igfbp5a subtypes (~6.62 and 7.25-fold, p = 0.099 and 0.078) and significantly down-regulated igfbp5b2 (~0.37-fold, p < 0.05), showing a conserved physiology of teleost IGFBP5a in regulating osmoregulation. The IGFBP6 subtypes are involved in energy and nutritional regulation. Distinctive igfbp6 subtypes patterns (p < 0.05) potentially indicated trout triggered energy redistribution in brain and kidney during osmoregulatory regulation. In conclusion, we showed that the GHRH-SST-GH-IGF axis exhibited pleiotropic effects in regulating growth and osmoregulatory regulation during trout smolting, which might provide new insights into seawater aquaculture of salmonid species.  相似文献   

12.
肖思煜 《广州化工》2006,34(4):21-22,26
概述了紫外光固化涂料在汽车塑料部件、修补漆、面漆上的应用,并展望了紫外光固化涂料在汽车涂装上的发展趋势。  相似文献   

13.
The expansion of fish filleting, driven by the increasing demand for convenience food, concomitantly generates a rising amount of skinning by-products. Current trends point to a growing share of aquaculture in fish production, so we have chosen three established aquaculture species to study the properties of gelatin extracted from their skin: rainbow trout, commonly filleted; and seabass and seabream, marketed whole until very recently. In the first case, trout skin yields only 1.6% gelatin accompanied by the lowest gel strength (96 g bloom), while yield for the other two species exceeds 6%, and gel strength reaches 181 and 229 g bloom for seabass and seabream, respectively. These results are in line with the proportion of total imino acids analyzed in the gelatin samples. Molecular weight profiling shows similarities among gelatins, but seabass and seabream gelatins appear more structured, with higher proportion of β-chains and high molecular weight aggregates, which may influence the rheological properties observed. These results present skin by-products of seabream, and to a minor extent seabass, as suitable raw materials to produce gelatin through valorization processes.  相似文献   

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17.
We previously showed that, according to the frequency and distribution of specific cell types, the rainbow trout (RT) intestinal mucosa can be divided in two regions that form a complex nonlinear three-dimensional (3D) pattern and have a different renewal rate. This work had two aims. First, we investigated whether the unusual distribution of cell populations reflects a similar distribution of functional activities. To this end, we determined the protein expression pattern of three well-defined enterocytes functional markers: peptide transporter 1 (PepT1), sodium–glucose/galactose transporter 1 (SGLT-1), and fatty-acid-binding protein 2 (Fabp2). Second, we characterized the structure of RT intestinal stem-cell (ISC) niche and determined whether the different proliferative is accompanied by a different organization and/or extension of the stem-cell population. We studied the expression and localization of well-characterized mammal ISC markers: LGR5, HOPX, SOX9, NOTCH1, DLL1, and WNT3A. Our results indicate that morphological similarity is associated with similar function only between the first portion of the mid-intestine and the apical part of the complex folds in the second portion. Mammal ISC markers are all expressed in RT, but their localization is completely different, suggesting also substantial functional differences. Lastly, higher renewal rates are supported by a more abundant ISC population.  相似文献   

18.
A 2 × 3 factorial study was conducted to evaluate the effects of dietary lipid level on the expression of mitochondrial and nuclear genes involved in electron transport chain in all-female rainbow trout Oncorhynchus mykiss. Three practical diets with a fixed crude protein content of 40%, formulated to contain 10% (40/10), 20% (40/20) and 30% (40/30) dietary lipid, were fed to apparent satiety to triplicate groups of either low-feed efficient (F120; 217.66 ± 2.24 g initial average mass) or high-feed efficient (F136; 205.47 ± 1.27 g) full-sib families of fish, twice per day, for 90 days. At the end of the experiment, the results showed that there is an interactive effect of the dietary lipid levels and the phenotypic feed efficiency (growth rate and feed efficiency) on the expression of the mitochondrial genes nd1 (NADH dehydrogenase subunit 1), cytb (Cytochrome b), cox1 (Cytochrome c oxidase subunits 1), cox2 (Cytochrome c oxidase subunits 2) and atp6 (ATP synthase subunit 6) and nuclear genes ucp2α (uncoupling proteins 2 alpha), ucp2β (uncoupling proteins 2 beta), pparα (peroxisome proliferator-activated receptor alpha), pparβ (peroxisome proliferatoractivated receptor beta) and ppargc1α (proliferator-activated receptor gamma coactivator 1 alpha) in fish liver, intestine and muscle, except on ppargc1α in the muscle which was affected by the diet and the family separately. Also, the results revealed that the expression of mitochondrial genes is associated with that of nuclear genes involved in electron transport chain in fish liver, intestine and muscle. Furthermore, this work showed that the expression of mitochondrial genes parallels with the expression of genes encoding uncoupling proteins (UCP) in the liver and the intestine of rainbow trout. This study for the first time presents the molecular basis of the effects of dietary lipid level on mitochondrial and nuclear genes involved in mitochondrial electron transport chain in fish.  相似文献   

19.
虹彩型云母钛珠光颜料的制备与表征   总被引:3,自引:0,他引:3  
本文研究了虹彩型云母钛珠我颜料的制备方法。通过电子能谱,光谱反射率,色度值,涂覆率及比表面积等的测试,表征了颜料的组成及颜色,归纳出涂层的光学厚度与虹彩效应,光学性能的关系及周期性递变规律的机理。  相似文献   

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